diff --git a/examples/app/app.nim b/examples/app/app.nim
index 794fb03..e11dc52 100644
--- a/examples/app/app.nim
+++ b/examples/app/app.nim
@@ -67,7 +67,7 @@ proc handleServerMessages(connection: ServerConnection) {.async.} =
       connection.outMessages.del(args[1])
       future.fail(newException(ServerError, args[2]))
     of "notify-peer":
-      asyncCheck connection.peerNotifications.write(&"{args[1]}|{args[2]}")
+      asyncCheck connection.peerNotifications.write(line.substr(args[0].len + 1))
     else:
       raise newException(ValueError, "invalid server message")